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St. Charles, Kentucky

City in Hopkins County, Kentucky

Air quality

The air at St. Charles

Index 19, good, led by fine particles. Read at 5 PM from its reporting area, Clarksville-Montgomery County (TN), 37 miles off.

19Good
  • Fine particles (PM2.5)19Good-
  • Ozone16Good-

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 42, good.

Smoke, the next 45 hours

No smoke near the ground through Sun 1 PM.

FriSatSun

Precipitation

What has fallen at St. Charles

0.08 in in the last 24 hours, 2.50 in over the last 3 days, to Fri 4 PM. Measured by radar and rain gauges, as water.

Last 24 hours
0.08in
Last 3 days
2.50in

Visibility

How far you can see at St. Charles, the next 45 hours

Visibility stays 9 miles or more through Sun 1 PM, lowest 10 miles Sat 5 AM.

FriSatSun

On the radar over St. Charles, KentuckyReflectivityStorm topsRain rateRain, last 24 hoursForecast temperatureForecast rain totalEvery picture

What is measuring near here

The 7 instruments nearest St. Charles, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 6.2 miles away.

measured now5 instruments

I-69 at mile 116.502_69_116

Beside a road/12.3 mi away/-/- ft from here

temp, pavement temp, wind, visibility, precip

Rank-

Madisonville2I0

At an airfield/14.5 mi away/440 ft/55 ft below here

temp, wind, gust, visibility, precip, pressure

Rank5of 692

Princeton #1S2005

At a soil climate station/16.5 mi away/615 ft/120 ft above here

temp, humidity, soil temp, soil moisture

Rank503of 692

measured daily2 instruments

Mortons Gap 0.6 EKY-HP-5

In a volunteer observer's own ground/6.2 mi away/426 ft/69 ft below here

precip, snowfall, snow depth

Rank-

Crofton 3 NCRFK2

At a cooperative observer's station/7.6 mi away/515 ft/20 ft above here

snowfall, snow depth, precip, high, low

Rank17of 692

Station report

The weather at Madisonville, drawn

The nearest airport reporting now, 14.5 mi from St. Charles, Kentucky. From its report of Oct 16, 2026, 5:15 PM local time: 3 of its 6 sheets.

The sky

Scattered at 4,100 ft, overcast at 6,500 ft; the ceiling is 6,500 ft; visibility 10 mi or more.

Section of the sky over Madisonville, height above the station to scale: scattered cloud with its base at 4,100 feet, overcast cloud with its base at 6,500 feet, the ceiling at 6,500 feet, and visibility of 10 mi or more.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2I0FIG. A THE SKY OVER MADISONVILLESECTION, HEIGHT ABOVE THE STATION TO SCALE, EACH LAYER AT THE HEIGHT OF ITS BASE AS REPORTED; COVER IN EIGHTHS OF THE SKY; TOPS NOT MEASUREDFT ABOVE THE STATION02,5005,0007,50010,000ETAGESLOWMIDDLETHE STATIONTHE CEILOMETER READS TO 12,000 FT, ABOVE THIS SHEETOVC 6,500 FTOVERCAST, 8 EIGHTHS OF THE SKYSCT 4,100 FTSCATTERED, 3 TO 4 EIGHTHS OF THE SKYCEILING 6,500 FTVISIBILITY, MILES: 10 MI OR MORE0510TITLEMadisonville, the skySTATION REPORT · ASOS 2I0TYPESECTIONSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 1 of 6DATE2026-10-16IDSR-2I0-1DRAWN AS linework on paperSOURCES FB-SKY-001, FB-SKY-017, FB-SKY-016, FB-SKY-018, FB-SKY-013, FB-SKY-014

The air

55.4 F with a dew point of 41.0 F, 58 per cent relative humidity. Air lifted from the station would cool to its dew point, where cloud forms, about 3,300 ft up; the lowest cloud reported is at 4,100 ft.

Chart of the air at Madisonville: temperature 55.4 degrees Fahrenheit and dew point 41.0, 58 per cent relative humidity; air lifted from the station cools along the dry rate and meets its dew point about 3,300 feet above the station, against the lowest cloud reported at 4,100 feet; height to scale.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2I0FIG. B THE AIR AT MADISONVILLETHE REPORTED TEMPERATURE AND DEW POINT, AND AIR LIFTED FROM THE STATION WITHOUT MIXING UNTIL IT SATURATES; HEIGHT ABOVE THE STATION TO SCALEFT ABOVE THE STATION01,0002,0003,0004,0005,0006,00030 F40 F50 F60 F70 FSATURATES 3,300 FT ABOVE THE STATION, AT 37.9 FLOWEST CLOUD REPORTED, SCT 4,100 FTTEMPERATURE 55.4 FDEW POINT 41.0 FSPREAD 14.4 FRELATIVE HUMIDITY 58 PER CENTTHE AIR COOLS ABOUT 5.4 F EACH 1,000 FT IT RISES, AND ITS DEW POINT ABOUT 1 FSOLID: THE LIFTED AIR'S TEMPERATURE; DASHED: ITS DEW POINTTITLEMadisonville, the airSTATION REPORT · ASOS 2I0TYPECHARTSCALEHEIGHT TO SCALEREVAS REPORTED SHEET 2 of 6DATE2026-10-16IDSR-2I0-2DRAWN AS linework on paperSOURCES FB-WAT-002, FB-ENG-011, FB-ENG-005

The wind

From the west northwest (290 degrees) at 7 mph: force 2, a light breeze on the Beaufort scale. The strongest gust today was 26 mph.

Plan of the wind at Madisonville, north up: blowing from 290 degrees, the west northwest, at 7 miles an hour; beside it the Beaufort scale from calm to hurricane force, force 2, light breeze, marked.1122334455667788AABBCCDDEE© 2026 STORM STATION 247THE FIELD BOOKSTATION REPORT 2I0FIG. C THE WIND AT MADISONVILLEPLAN, NORTH UP: THE WIND AS REPORTED, AND WHERE IT SITS ON THE BEAUFORT SCALENESWTHE STATIONFROM 290°BEAUFORT FORCELEAST WIND, MPH0CALM01LIGHT AIR12LIGHT BREEZE4NOW, 7 MPH3GENTLE BREEZE84MODERATE BREEZE135FRESH BREEZE196STRONG BREEZE257NEAR GALE328GALE399STRONG GALE4710STORM5511VIOLENT STORM6412HURRICANE FORCE73TITLEMadisonville, the windSTATION REPORT · ASOS 2I0TYPEPLAN north upSCALENOT TO SCALEREVAS REPORTED SHEET 3 of 6DATE2026-10-16IDSR-2I0-3DRAWN AS linework on paperSOURCES FB-EVT-150, FB-ENG-008, FB-INS-002

The full report of Madisonville, in 6 sheets, each beside the Field Book plates that explain it

0in

Snow on the ground

Measured at Crofton 3 N (CRFK2), 7.6 miles from here, read 16 Oct, 07:00. measured daily

Elsewhere in Kentucky

21 places, each with its own forecast and its own instruments.

Near St. Charles

The nearest places, each with its own forecast and the instruments nearest it.

Near St. Charles

River and lake gauges